Re: slow lvm
Hello,
WD20EARS are the Green drives. Are also the Seagate drives "green"?
Those WD have rpm stated as 5400-7200, so they are surely slower than
any non-green true 7200 rpm disk. They have also some other
energy-saving techniques which can make them slower (although they can
have comparable sustained sequential throughput).
I don't know your exact configuration, but generally it is not good to
mix disks with different speeds on one filesystem.
Tuesday, August 30, 2011, 17:39:38, mimo wrote:
> I'm attaching my graphs sda and sdd are the WD drives, sdb, sdc are Seagate.
> http://mimo.gn.apc.org/stuff/blue.html (sorry for the external link
> but the list doesn't allow attachments)
--
bYE, Marki
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